钻(Zuan)机(Ji)成(Cheng)孔(Kong)施(Shi)工(Gong)步(Bu)骤(Zhou)
履(Lu)带(Dai)式(Shi)钻(Zuan)机(Ji)钻(Zuan)进(Jin)成(Cheng)孔(Kong)过(Guo)程(Cheng)中(Zhong),(?)根(Gen)据(Ju)地(Di)层(Ceng)、(?)孔(Kong)深(Shen)变(Bian)化(Hua),(?)合(He)理(Li)选(Xuan)择(Ze)钻(Zuan)进(Jin)参(Can)数(Shu)和(He)钻(Zuan)头(Tou),(?)及(Ji)时(Shi)调(Diao)制(Zhi)泥(Ni)浆(Jiang),(?)保(Bao)证(Zheng)成(Cheng)孔(Kong)质(Zhi)量(Liang)。(?)在(Zai)进(Jin)入(Ru)沙(Sha)层(Ceng)和(He)卵(Luan)石(Shi)层(Ceng)时(Shi),(?)应(Ying)适(Shi)当(Dang)减(Jian)慢(Man)进(Jin)尺(Chi)速(Su)度(Du),(?)提(Ti)高(Gao)泥(Ni)浆(Jiang)的(De)稠(Chou)度(Du),(?)减(Jian)小(Xiao)每(Mei)个(Ge)钻(Zuan)进(Jin)回(Hui)次(Ci)的(De)进(Jin)尺(Chi)量(Liang),(?)保(Bao)证(Zheng)孔(Kong)壁(Bi)稳(Wen)定(Ding)。(?)钻(Zuan)进(Jin)施(Shi)工(Gong)时(Shi),(?)利(Li)用(Yong)正(Zheng)铲(Chan)及(Ji)时(Shi)将(Jiang)钻(Zuan)渣(Zha)清(Qing)运(Yun),(?)保(Bao)证(Zheng)场(Chang)地(Di)干(Gan)净(Jing)整(Zheng)洁(Jie),(?)利(Li)于(Yu)下(Xia)一(Yi)步(Bu)施(Shi)工(Gong)。(?)钻(Zuan)进(Jin)达(Da)到(Dao)要(Yao)求(Qiu)孔(Kong)深(Shen)停(Ting)钻(Zuan)后(Hou),(?)注(Zhu)意(Yi)保(Bao)持(Chi)孔(Kong)内(Nei)泥(Ni)浆(Jiang)的(De)浆(Jiang)面(Mian)高(Gao)程(Cheng),(?)确(Que)保(Bao)孔(Kong)壁(Bi)的(De)稳(Wen)定(Ding)。(?)
1、(?)泥(Ni)浆(Jiang)制(Zhi)备(Bei)
现(Xian)场(Chang)设(She)泥(Ni)浆(Jiang)池(Chi)((?)含(Han)回(Hui)浆(Jiang)用(Yong)沉(Chen)淀(Dian)池(Chi)及(Ji)泥(Ni)浆(Jiang)储(Chu)备(Bei)池(Chi))(?)一(Yi)般(Ban)为(Wei)钻(Zuan)孔(Kong)容(Rong)积(Ji)的(De)1. 5~(?)2. 0倍(Bei),(?)要(Yao)有(You)较(Jiao)好(Hao)的(De)防(Fang)渗(Shen)能(Neng)力(Li)。(?)在(Zai)沉(Chen)淀(Dian)池(Chi)的(De)旁(Pang)边(Bian)设(She)置(Zhi)渣(Zha)土(Tu)区(Qu),(?)沉(Chen)渣(Zha)采(Cai)用(Yong)反(Fan)铲(Chan)清(Qing)理(Li)后(Hou)放(Fang)在(Zai)渣(Zha)土(Tu)区(Qu),(?)保(Bao)证(Zheng)泥(Ni)浆(Jiang)的(De)巡(Xun)回(Hui)空(Kong)间(Jian)和(He)存(Cun)储(Chu)空(Kong)间(Jian)。(?) 制(Zhi)务(Wu)泥(Ni)浆(Jiang)的(De)的(De)设(She)备(Bei)有(You)两(Liang)种(Zhong),(?)一(Yi)是(Shi)用(Yong)泥(Ni)浆(Jiang)搅(Jiao)拌(Ban)机(Ji),(?)一(Yi)是(Shi)有(You)用(Yong)水(Shui)力(Li)搅(Jiao)拌(Ban)器(Qi)。(?)使(Shi)用(Yong)粘(Zhan)土(Tu)粉(Fen)造(Zao)浆(Jiang)时(Shi)最(Zui)好(Hao)用(Yong)水(Shui)力(Li)搅(Jiao)拌(Ban)器(Qi);(?)使(Shi)用(Yong)膨(Peng)润(Run)土(Tu)造(Zao)浆(Jiang)时(Shi)用(Yong)泥(Ni)浆(Jiang)搅(Jiao)拌(Ban)机(Ji)。(?) 护(Hu)壁(Bi)泥(Ni)浆(Jiang)再(Zai)生(Sheng)处(Chu)理(Li):(?)施(Shi)工(Gong)中(Zhong)采(Cai)用(Yong)重(Zhong)力(Li)沉(Chen)降(Jiang)除(Chu)渣(Zha)法(Fa),(?)即(Ji)利(Li)用(Yong)泥(Ni)浆(Jiang)与(Yu)土(Tu)渣(Zha)的(De)相(Xiang)对(Dui)密(Mi)度(Du)差(Cha)使(Shi)土(Tu)渣(Zha)产(Chan)生(Sheng)沉(Chen)淀(Dian)以(Yi)排(Pai)除(Chu)土(Tu)渣(Zha)的(De)方(Fang)法(Fa)。(?)现(Xian)场(Chang)设(She)置(Zhi)回(Hui)收(Shou)泥(Ni)浆(Jiang)池(Chi)用(Yong)作(Zuo)回(Hui)收(Shou)护(Hu)壁(Bi)泥(Ni)浆(Jiang)使(Shi)用(Yong),(?)泥(Ni)浆(Jiang)经(Jing)沉(Chen)淀(Dian)净(Jing)化(Hua)后(Hou),(?)输(Shu)送(Song)到(Dao)储(Chu)浆(Jiang)池(Chi)中(Zhong),(?)在(Zai)储(Chu)浆(Jiang)池(Chi)中(Zhong)进(Jin)一(Yi)步(Bu)处(Chu)理(Li)((?)加(Jia)入(Ru)适(Shi)量(Liang)纯(Chun)碱(Jian)和(He)CMC改(Gai)善(Shan)泥(Ni)浆(Jiang)性(Xing)能(Neng))(?)经(Jing)测(Ce)试(Shi)合(He)格(Ge)后(Hou)重(Zhong)复(Fu)使(Shi)用(Yong)。(?)
2 、(?) 埋(Mai)设(She)护(Hu)筒(Tong)
桩(Zhuang)基(Ji)定(Ding)位(Wei)后(Hou),(?)根(Gen)据(Ju)桩(Zhuang)定(Ding)位(Wei)点(Dian)拉(La)十(Shi)字(Zi)线(Xian)钉(Ding)放(Fang)四(Si)个(Ge)控(Kong)制(Zhi)桩(Zhuang),(?)以(Yi)四(Si)个(Ge)控(Kong)制(Zhi)桩(Zhuang)为(Wei)基(Ji)准(Zhun)埋(Mai)设(She)钢(Gang)护(Hu)筒(Tong),(?)为(Wei)了(Liao)保(Bao)护(Hu)孔(Kong)口(Kou)防(Fang)止(Zhi)坍(Tan)塌(Ta),(?)形(Xing)成(Cheng)孔(Kong)内(Nei)水(Shui)头(Tou)和(He)定(Ding)位(Wei)导(Dao)向(Xiang),(?)护(Hu)筒(Tong)的(De)埋(Mai)设(She)是(Shi)旋(Xuan)挖(Wa)作(Zuo)业(Ye)中(Zhong)的(De)关(Guan)键(Jian)。(?)护(Hu)筒(Tong)选(Xuan)用(Yong)10mm厚(Hou)钢(Gang)板(Ban)卷(Juan)制(Zhi)而(?)成(Cheng),(?)护(Hu)筒(Tong)内(Nei)径(Jing)为(Wei)设(She)计(Ji)桩(Zhuang)径(Jing)+20cm,(?)高(Gao)度(Du)2.0m,(?)上(Shang)部(Bu)开(Kai)设(She)2个(Ge)溢(Yi)浆(Jiang)孔(Kong),(?)护(Hu)筒(Tong)埋(Mai)设(She)时(Shi),(?)由(You)人(Ren)工(Gong)、(?)机(Ji)械(Xie)配(Pei)合(He)完(Wan)成(Cheng),(?)主(Zhu)要(Yao)利(Li)用(Yong)钻(Zuan)机(Ji)旋(Xuan)挖(Wa)斗(Dou)将(Jiang)其(Qi)静(Jing)力(Li)压(Ya)入(Ru)土(Tu)中(Zhong),(?)其(Qi)顶(Ding)端(Duan)应(Ying)高(Gao)出(Chu)地(Di)面(Mian)20cm,(?)并(Bing)保(Bao)持(Chi)水(Shui)平(Ping),(?)埋(Mai)设(She)深(Shen)度(Du)1.8 m,(?)护(Hu)筒(Tong)中(Zhong)心(Xin)与(Yu)桩(Zhuang)位(Wei)中(Zhong)心(Xin)的(De)偏(Pian)差(Cha)不(Bu)得(De)大(Da)于(Yu)50mm。(?)护(Hu)筒(Tong)埋(Mai)设(She)要(Yao)保(Bao)持(Chi)垂(Chui)直(Zhi),(?)倾(Qing)斜(Xie)率(Lu)应(Ying)小(Xiao)于(Yu)1.5%(?)。(?)
3、(?)钻(Zuan)孔(Kong)定(Ding)位(Wei)
在(Zai)桩(Zhuang)位(Wei)复(Fu)核(He)正(Zheng)确(Que),(?)护(Hu)筒(Tong)埋(Mai)设(She)符(Fu)合(He)要(Yao)求(Qiu),(?)护(Hu)筒(Tong)、(?)地(Di)坪(Ping)标(Biao)高(Gao)已(Yi)测(Ce)定(Ding)的(De)基(Ji)础(Chu)上(Shang),(?)钻(Zuan)机(Ji)才(Cai)能(Neng)就(Jiu)位(Wei);(?)桩(Zhuang)机(Ji)定(Ding)位(Wei)要(Yao)准(Zhun)确(Que)、(?)水(Shui)平(Ping)、(?)垂(Chui)直(Zhi)、(?)稳(Wen)固(Gu),钻(Zuan)机(Ji)导(Dao)杆(Gan)中(Zhong)心(Xin)线(Xian)、(?)回(Hui)旋(Xuan)盘(Pan)中(Zhong)心(Xin)线(Xian)、(?)护(Hu)筒(Tong)中(Zhong)心(Xin)线(Xian)应(Ying)保(Bao)持(Chi)在(Zai)同(Tong)一(Yi)直(Zhi)线(Xian)。(?)旋(Xuan)挖(Wa)钻(Zuan)机(Ji)就(Jiu)位(Wei)后(Hou),(?)利(Li)用(Yong)自(Zi)动(Dong)控(Kong)制(Zhi)系(Xi)统(Tong)调(Diao)整(Zheng)其(Qi)垂(Chui)直(Zhi)度(Du),(?)钻(Zuan)机(Ji)安(An)放(Fang)定(Ding)位(Wei)时(Shi),(?)要(Yao)机(Ji)座(Zuo)平(Ping)整(Zheng),(?)机(Ji)塔(Ta)垂(Chui)直(Zhi),(?)转(Zhuan)盘(Pan)((?)钻(Zuan)头(Tou))(?)中(Zhong)心(Xin)与(Yu)护(Hu)筒(Tong)十(Shi)字(Zi)线(Xian)中(Zhong)心(Xin)对(Dui)正(Zheng),(?)注(Zhu)入(Ru)稳(Wen)定(Ding)液(Ye)后(Hou),(?)进(Jin)行(Xing)钻(Zuan)孔(Kong)。(?)
4、(?)钻(Zuan)进(Jin)成(Cheng)孔(Kong)
成(Cheng)孔(Kong)前(Qian)必(Bi)须(Xu)检(Jian)查(Cha)钻(Zuan)头(Tou)保(Bao)径(Jing)装(Zhuang)置(Zhi),(?)钻(Zuan)头(Tou)直(Zhi)径(Jing)、(?)钻(Zuan)头(Tou)磨(Mo)损(Sun)情(Qing)况(Kuang),(?)施(Shi)工(Gong)过(Guo)程(Cheng)对(Dui)钻(Zuan)头(Tou)磨(Mo)损(Sun)超(Chao)标(Biao)的(De)及(Ji)时(Shi)更(Geng)换(Huan);(?)根(Gen)据(Ju)土(Tu)层(Ceng)情(Qing)况(Kuang)正(Zheng)确(Que)选(Xuan)择(Ze)钻(Zuan)斗(Dou)底(Di)部(Bu)切(Qie)削(Xiao)齿(Chi)的(De)形(Xing)状(Zhuang)、(?)规(Gui)格(Ge)和(He)角(Jiao)度(Du);(?)根(Gen)据(Ju)护(Hu)筒(Tong)标(Biao)高(Gao)、(?)桩(Zhuang)顶(Ding)设(She)计(Ji)标(Biao)高(Gao)及(Ji)桩(Zhuang)长(Chang),(?)计(Ji)算(Suan)出(Chu)桩(Zhuang)底(Di)标(Biao)高(Gao),(?)以(Yi)便(Bian)钻(Zuan)孔(Kong)时(Shi)加(Jia)以(Yi)控(Kong)制(Zhi)。(?)
5、(?)成(Cheng)孔(Kong)中(Zhong)
按(An)试(Shi)桩(Zhuang)施(Shi)工(Gong)确(Que)定(Ding)的(De)参(Can)数(Shu)进(Jin)行(Xing)施(Shi)工(Gong),(?)设(She)专(Zhuan)职(Zhi)记(Ji)录(Lu)员(Yuan)记(Ji)录(Lu)成(Cheng)孔(Kong)过(Guo)程(Cheng)的(De)各(Ge)种(Zhong)参(Can)数(Shu),(?)如(Ru)加(Jia)钻(Zuan)杆(Gan)、(?)钻(Zuan)进(Jin)深(Shen)度(Du)、(?)地(Di)质(Zhi)特(Te)征(Zheng)、(?)机(Ji)械(Xie)设(She)备(Bei)损(Sun)坏(Huai)、(?)障(Zhang)碍(Ai)物(Wu)等(Deng)情(Qing)况(Kuang)。(?)记(Ji)录(Lu)必(Bi)须(Xu)认(Ren)真(Zhen)、(?)及(Ji)时(Shi)、(?)准(Zhun)确(Que)、(?)清(Qing)晰(Xi)。(?) 钻(Zuan)孔(Kong)过(Guo)程(Cheng)中(Zhong)根(Gen)据(Ju)地(Di)质(Zhi)情(Qing)况(Kuang)控(Kong)制(Zhi)进(Jin)尺(Chi)速(Su)度(Du):(?)由(You)硬(Ying)地(Di)层(Ceng)钻(Zuan)到(Dao)软(Ruan)地(Di)层(Ceng)时(Shi),(?)可(Ke)适(Shi)当(Dang)加(Jia)快(Kuai)钻(Zuan)进(Jin)速(Su)度(Du);(?)当(Dang)软(Ruan)地(Di)层(Ceng)变(Bian)为(Wei)硬(Ying)地(Di)层(Ceng)时(Shi),(?)要(Yao)减(Jian)速(Su)慢(Man)进(Jin);(?)在(Zai)易(Yi)缩(Suo)径(Jing)的(De)地(Di)层(Ceng)中(Zhong),(?)应(Ying)适(Shi)当(Dang)增(Zeng)加(Jia)扫(Sao)孔(Kong)次(Ci)数(Shu),(?)防(Fang)止(Zhi)缩(Suo)径(Jing);(?)对(Dui)硬(Ying)塑(Su)层(Ceng)采(Cai)用(Yong)快(Kuai)转(Zhuan)速(Su)钻(Zuan)进(Jin),以(Yi)提(Ti)高(Gao)钻(Zuan)进(Jin)效(Xiao)率(Lu);(?)砂(Sha)层(Ceng)则(Ze)采(Cai)用(Yong)慢(Man)转(Zhuan)速(Su)慢(Man)钻(Zuan)进(Jin)并(Bing)适(Shi)当(Dang)增(Zeng)加(Jia)泥(Ni)浆(Jiang)比(Bi)重(Zhong)和(He)粘(Zhan)度(Du)。(?) 钻(Zuan)机(Ji)就(Jiu)位(Wei)时(Shi),(?)必(Bi)须(Xu)保(Bao)持(Chi)平(Ping)整(Zheng)、(?)稳(Wen)固(Gu),(?)不(Bu)发(Fa)生(Sheng)倾(Qing)斜(Xie)。(?)为(Wei)准(Zhun)确(Que)控(Kong)制(Zhi)孔(Kong)深(Shen),(?)应(Ying)备(Bei)有(You)校(Xiao)核(He)后(Hou)百(Bai)米(Mi)钢(Gang)丝(Si)测(Ce)绳(Sheng),(?)并(Bing)观(Guan)测(Ce)自(Zi)动(Dong)深(Shen)度(Du)记(Ji)录(Lu)仪(Yi),(?)以(Yi)便(Bian)在(Zai)施(Shi)工(Gong)中(Zhong)进(Jin)行(Xing)观(Guan)测(Ce)、(?)记(Ji)录(Lu)。(?)
6、(?)孔(Kong)底(Di)沉(Chen)淤(Yu)控(Kong)制(Zhi)。(?)
旋(Xuan)挖(Wa)钻(Zuan)斗(Dou)的(De)切(Qie)削(Xiao)、(?)提(Ti)升(Sheng)上(Shang)屑(Xie)的(De)机(Ji)理(Li)与(Yu)常(Chang)见(Jian)回(Hui)转(Zhuan)钻(Zuan)进(Jin)的(De)正(Zheng)、(?)反(Fan)循(Xun)环(Huan)成(Cheng)孔(Kong)的(De)切(Qie)削(Xiao)、(?)提(Ti)升(Sheng)形(Xing)式(Shi)完(Wan)全(Quan)不(Bu)同(Tong)。(?)前(Qian)者(Zhe)是(Shi)通(Tong)过(Guo)钻(Zuan)斗(Dou)把(Ba)孔(Kong)底(Di)原(Yuan)状(Zhuang)土(Tu)切(Qie)削(Xiao)成(Cheng)条(Tiao)状(Zhuang)载(Zai)入(Ru)钻(Zuan)斗(Dou)提(Ti)升(Sheng)出(Chu)土(Tu),(?)后(Hou)者(Zhe)是(Shi)通(Tong)过(Guo)钻(Zuan)头(Tou)把(Ba)孔(Kong)底(Di)原(Yuan)状(Zhuang)土(Tu)打(Da)碎(Sui)由(You)泥(Ni)浆(Jiang)循(Xun)环(Huan)带(Dai)出(Chu)土(Tu)面(Mian)。(?)前(Qian)者(Zhe)底(Di)部(Bu)面(Mian)缓(Huan),(?)钻(Zuan)至(Zhi)设(She)计(Ji)标(Biao)高(Gao)对(Dui)土(Tu)的(De)扰(Rao)动(Dong)很(Hen)小(Xiao),(?)没(Mei)有(You)聚(Ju)淤(Yu)漏(Lou)斗(Dou),(?)所(Suo)以(Yi)要(Yao)加(Jia)强(Qiang)稳(Wen)定(Ding)液(Ye)的(De)管(Guan)理(Li),(?)控(Kong)制(Zhi)固(Gu)相(Xiang)含(Han)量(Liang),(?)提(Ti)高(Gao)粘(Zhan)度(Du),(?)防(Fang)止(Zhi)快(Kuai)速(Su)沉(Chen)淀(Dian),(?)还(Huan)要(Yao)控(Kong)制(Zhi)终(Zhong)孔(Kong)前(Qian)两(Liang)钻(Zuan)斗(Dou)的(De)旋(Xuan)挖(Wa)量(Liang)。(?)成(Cheng)孔(Kong)深(Shen)度(Du)达(Da)到(Dao)设(She)计(Ji)要(Yao)求(Qiu)后(Hou),(?)应(Ying)尽(Jin)快(Kuai)进(Jin)行(Xing)钻(Zuan)机(Ji)移(Yi)位(Wei)、(?)终(Zhong)孔(Kong)验(Yan)收(Shou)工(Gong)作(Zuo);(?)从(Cong)清(Qing)孔(Kong)停(Ting)止(Zhi)至(Zhi)混(Hun)凝(Ning)土(Tu)开(Kai)始(Shi)浇(Jiao)灌(Guan),(?)应(Ying)控(Kong)制(Zhi)在(Zai)1.5-3h,(?)一(Yi)般(Ban)不(Bu)得(De)超(Chao)过(Guo)4h,(?)否(Fou)则(Ze)应(Ying)重(Zhong)新(Xin)清(Qing)孔(Kong)。(?) 旋(Xuan)挖(Wa)成(Cheng)孔(Kong)灌(Guan)注(Zhu)桩(Zhuang)的(De)施(Shi)工(Gong)方(Fang)法(Fa)具(Ju)有(You)施(Shi)工(Gong)质(Zhi)量(Liang)可(Ke)靠(Kao)、(?)成(Cheng)孔(Kong)速(Su)度(Du)快(Kuai)、(?)成(Cheng)孔(Kong)率(Lu)高(Gao)、(?)适(Shi)应(Ying)性(Xing)强(Qiang)大(Da)大(Da)缩(Suo)短(Duan)了(Liao)工(Gong)期(Qi),(?)废(Fei)浆(Jiang)少(Shao)、(?)低(Di)噪(Zao)音(Yin)、(?)污(Wu)染(Ran)小(Xiao)保(Bao)护(Hu)了(Liao)环(Huan)境(Jing),(?)克(Ke)服(Fu)了(Liao)机(Ji)械(Xie)成(Cheng)孔(Kong)时(Shi)孔(Kong)底(Di)沉(Chen)淤(Yu)土(Tu)多(Duo),(?)桩(Zhuang)侧(Ce)摩(Mo)阻(Zu)力(Li)低(Di),(?)泥(Ni)浆(Jiang)管(Guan)理(Li)差(Cha)的(De)缺(Que)点(Dian),(?)极(Ji)大(Da)地(Di)提(Ti)高(Gao)了(Liao)施(Shi)工(Gong)质(Zhi)量(Liang)。(?)尽(Jin)管(Guan)一(Yi)次(Ci)投(Tou)入(Ru)费(Fei)用(Yong)较(Jiao)大(Da),(?)但(Dan)成(Cheng)孔(Kong)费(Fei)用(Yong)消(Xiao)耗(Hao)等(Deng)经(Jing)济(Ji)技(Ji)术(Shu)指(Zhi)标(Biao)比(Bi)其(Qi)他(Ta)方(Fang)法(Fa)成(Cheng)孔(Kong)费(Fei)用(Yong)低(Di),(?)是(Shi)一(Yi)种(Zhong)理(Li)想(Xiang)的(De)施(Shi)工(Gong)工(Gong)艺(Yi),(?)同(Tong)其(Qi)它(Ta)工(Gong)艺(Yi)相(Xiang)比(Bi)综(Zong)合(He)考(Kao)虑(Lu)是(Shi)降(Jiang)低(Di)了(Liao)成(Cheng)本(Ben)。(?)
热(Re)点(Dian)关(Guan)注(Zhu)
- 正(Zheng)确(Que)选(Xuan)择(Ze)锚(Mao)固(Gu)钻(Zuan)机(Ji)型(Xing)号(Hao)减(Jian)少(Shao)资(Zi)源(Yuan)浪(Lang)费(Fei)
- 锚(Mao)固(Gu)钻(Zuan)机(Ji)施(Shi)工(Gong)使(Shi)用(Yong)前(Qian)的(De)必(Bi)要(Yao)保(Bao)养(Yang)
- 何(He)为(Wei)冲(Chong)击(Ji)器(Qi)及(Ji)主(Zhu)要(Yao)施(Shi)工(Gong)作(Zuo)用(Yong)
- 履(Lu)带(Dai)钻(Zuan)车(Che)在(Zai)施(Shi)工(Gong)中(Zhong)主(Zhu)要(Yao)的(De)优(You)势(Shi)表(Biao)现(Xian)
- 对(Dui)我(Wo)国(Guo)钻(Zuan)机(Ji)行(Xing)业(Ye)发(Fa)展(Zhan)的(De)思(Si)考(Kao)
- 锚(Mao)杆(Gan)钻(Zuan)机(Ji)与(Yu)锚(Mao)索(Suo)钻(Zuan)机(Ji)的(De)区(Qu)别(Bie)
- 钻(Zuan)机(Ji)操(Cao)作(Zuo)必(Bi)备(Bei)常(Chang)识(Shi)及(Ji)安(An)全(Quan)规(Gui)程(Cheng)
- 地(Di)质(Zhi)灾(Zai)难(Nan)频(Pin)发(Fa) 工(Gong)程(Cheng)钻(Zuan)机(Ji)作(Zuo)用(Yong)大(Da)
- 全(Quan)套(Tao)管(Guan)钻(Zuan)进(Jin)施(Shi)工(Gong)的(De)优(You)势(Shi)体(Ti)现(Xian)
- 液(Ye)压(Ya)拔(Ba)管(Guan)机(Ji)的(De)组(Zu)成(Cheng)部(Bu)分(Fen)与(Yu)操(Cao)作(Zuo)前(Qian)的(De)准(Zhun)备(Bei)
- 预(Yu)应(Ying)力(Li)锚(Mao)杆(Gan)和(He)非(Fei)预(Yu)应(Ying)力(Li)锚(Mao)杆(Gan)
- 边(Bian)坡(Po)施(Shi)工(Gong)时(Shi)应(Ying)注(Zhu)意(Yi)事(Shi)项(Xiang)
- 边(Bian)坡(Po)锚(Mao)杆(Gan)钻(Zuan)机(Ji)的(De)主(Zhu)要(Yao)用(Yong)途(Tu)